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Code of Federal Regulations Title 40. Protection of Environment § 40.420.104 New source performance standards (NSPS)
Current as of January 02, 2025 | Updated by Findlaw Staff
The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.
(a) Cold rolling mills—
(1) Recirculation—single stand.
|
SUBPART J |
||
|---|---|---|
|
New source performance standards |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
TSS |
0.00125 |
0.000626 |
|
O&G |
0.000522 |
0.000209 |
|
Chromium1 |
0.0000209 |
0.0000084 |
|
Lead |
0.0000094 |
0.0000031 |
|
Nickel1 |
0.0000188 |
0.0000063 |
|
Zinc |
0.0000063 |
0.0000021 |
|
Naphthalene |
0.0000021 |
|
|
Tetrachloroethylene |
0.0000031 |
|
|
pH |
(2) |
(2) |
1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are cotreated with descaling or combination acid pickling wastewaters.
2 Within the range of 6.0 to 9.0.
(2) Recirculation—multiple stands.
|
SUBPART J |
||
|---|---|---|
|
New source performance standards |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
TSS |
0.00250 |
0.00125 |
|
O&G |
0.00104 |
0.000417 |
|
Chromium1 |
0.0000418 |
0.0000167 |
|
Lead |
0.0000188 |
0.0000063 |
|
Nickel1 |
0.0000376 |
0.0000125 |
|
Zinc |
0.0000125 |
0.0000042 |
|
Naphthalene |
0.0000042 |
|
|
Tetrachloroethylene |
0.0000063 |
|
|
pH |
(2) |
(2) |
1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.
2 Within the range of 6.0 to 9.0.
(3) Combination.
|
SUBPART J |
||
|---|---|---|
|
New source performance standards |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
TSS |
0.0326 |
0.0163 |
|
O&G |
0.0136 |
0.00543 |
|
Chromium1 |
0.000543 |
0.000217 |
|
Lead |
0.000244 |
0.0000814 |
|
Nickel1 |
0.000488 |
0.000163 |
|
Zinc |
0.000163 |
0.0000542 |
|
Naphthalene |
0.0000542 |
|
|
Tetrachloroethylene |
0.0000813 |
|
|
pH |
(2) |
(2) |
1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastwaters are treated with descaling or combination acid pickling wastewaters.
2 Within the range of 6.0 to 9.0.
(4) Direct application—single stand.
|
SUBPART J |
||
|---|---|---|
|
New source performance standards |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
TSS |
0.00626 |
0.00313 |
|
O&G |
0.00261 |
0.00104 |
|
Chromium1 |
0.000104 |
0.0000418 |
|
Lead |
0.0000469 |
0.0000156 |
|
Nickel1 |
0.0000939 |
0.0000313 |
|
Zinc |
0.0000313 |
0.0000104 |
|
Naphthalene |
0.0000104 |
|
|
Tetrachloro-ethylene |
0.0000156 |
|
|
pH |
(2) |
(2) |
1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.
2 Within the range of 6.0 to 9.0.
(5) Direct application—multiple stands.
|
SUBPART J |
||
|---|---|---|
|
New source performance standards |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
TSS |
0.0726 |
0.0363 |
|
O&G |
0.0302 |
0.0121 |
|
Chromium1 |
0.00121 |
0.000484 |
|
Lead |
0.000545 |
0.000182 |
|
Nickel1 |
0.00109 |
0.000363 |
|
Zinc |
0.000363 |
0.000121 |
|
Naphthalene |
0.000121 |
|
|
Tetrachloroethylene |
0.000182 |
|
|
pH |
(2) |
(2) |
1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.
2 Within the range of 6.0 to 9.0.
(b) Cold worked pipe and tube mills—
(1) Using water.
|
SUBPART J |
||
|---|---|---|
|
New source performance standards |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Kg/kkg (pounds per 1,000 lb) of product |
||
|
TSS |
0.00125 |
0.000626 |
|
O&G |
0.000522 |
0.000209 |
|
Chromium1 |
0.0000209 |
0.0000084 |
|
Lead |
0.0000094 |
0.0000031 |
|
Nickel1 |
0.0000188 |
0.0000063 |
|
Zinc |
0.0000063 |
0.0000021 |
|
pH |
(2) |
(2) |
1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are cotreated with descaling or combination acid pickling wastewaters.
2 Within the range of 6.0 to 9.0.
(2) Using oil solutions.
|
SUBPART J |
||
|---|---|---|
|
New Source Performance Standards |
||
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
kg/kkg (pounds per 1,000 lb) of product |
||
|
TSS |
0.00125 |
0.000626 |
|
O&G |
0.000522 |
0.000209 |
|
Chromium1 |
0.0000209 |
0.0000084 |
|
Lead |
0.0000094 |
0.0000031 |
|
Nickel1 |
0.0000188 |
0.0000063 |
|
Zinc |
0.0000063 |
0.0000021 |
|
Naphthalene |
0.0000021 |
|
|
Tetrachloroethylene |
0.0000031 |
|
|
pH |
(2) |
(2) |
1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are cotreated with descaling or combination acid pickling wastewaters.
2 Within the range of 6.0 to 9.0.
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.420.104 New source performance standards (NSPS) - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-420-104/
FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature before relying on it for your legal needs.
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